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Posted by: Lemonde - 07 December 2018 07:37:43
We are seeing the following on an Ex2007 box on a Windows 2012 R2 DC domain: Log Name: Application Source: MSExchangeSA Date: 07/12/2018 04:02:34 Event ID: 9408 Task Category: OAL Generator Level: Error Keywords: Classic User: N/A Computer: %ComputerName%.domain.suffix Description: OALGen failed to load the offline address book version 4 manifest file '\\%ComputerName%\ExchangeOAB\791205af-0a47-4e40-8238-8027a2062474\oab.xml'. This indicates data tampering or disk problems. Restore files in this folder from the recent backup or clean up folder content and force a full OAB generation. Event Xml: 9408 2 13 0x80000000000000 896367 Application %ComputerName%.domain.suffix \\%ComputerName%\ExchangeOAB\791205af-0a47-4e40-8238-8027a2062474\oab.xml